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quester [9]
3 years ago
8

6. Roy hit 3 less than 4 times the number of balls during baseball practice than Joe did. Together the boys hit 52 balls. How ma

ny balls did Joe hit?
Mathematics
1 answer:
elixir [45]3 years ago
7 0

Answer:

11

Step-by-step explanation:

Had Roy hit 3 more balls, their total would be 55. Divided in the ratio 1:4, that is 11 : 44. So, Joe hit 11 balls and Roy hit 44-3 = 41 balls.

_____

We could write an equation with j representing the number of balls Joe hit. Then Roy hit (52-j) balls, and the problem statement tells us the relationship is ...

... (52-j) = 4j-3

... 55 =5j . . . . . . add 3+j

... 11 = j . . . . . . . divide by 5

Joe hit 11 balls.

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3. If m angle 2=98°, m angle 3=23°, and m angle 8=70°, find each measure. 4. If m angle 3=54°, find each measure.
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Answer:

Step-by-step explanation:

3). m∠1 = 180° - 98° = 82°

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4). m∠1 = m∠4 = m∠11 = m∠13 = 90° - 54° = 36°

m∠2 = m∠5 = 90°

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m∠12 = m∠14 = 180° - 36° = 144°

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Step-by-step explanation:

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